Truck losing air pressure while stopped can’t find leak
04-27-2021, (Subject: Truck losing air pressure while stopped can’t find leak ) 
Post: #13
RE: Truck losing air pressure while stopped can’t find leak
(04-27-2021 )snailexpress Wrote:  Before diving for new compressor check compressor unloading valve. Disconnect compressor intake, governor tube and outlet. Spray liberal amount of WD 40 in governor connection and intake.
Cover outlet with big rag, safety glasses on. Start engine and spray WD 40 in intake ntill all carbon is out.
Check pressure with finger like mechanic did.

Actually that used to be one of the procedures in the old Wabco manuals for those compressors.


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 Thanks given by: dhirocz , snailexpress , Redland1


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RE: Truck losing air pressure while stopped can’t find leak - Rawze - 04-27-2021



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